Modern Pollen–Vegetation Relationships: A View from the Larch Forests of Central Siberia

Elena Novenko (), Natalia Mazei, Anton Shatunov, Anna Chepurnaya, Ksenia Borodina, Mikhail Korets, Anatoly Prokushkin and Alexander V. Kirdyanov ()
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Elena Novenko: Institute of Geography Russian Academy of Science, Staromonetny Lane, 29, 119017 Moscow, Russia
Natalia Mazei: Institute of Geography Russian Academy of Science, Staromonetny Lane, 29, 119017 Moscow, Russia
Anton Shatunov: Institute of Geography Russian Academy of Science, Staromonetny Lane, 29, 119017 Moscow, Russia
Anna Chepurnaya: Institute of Geography Russian Academy of Science, Staromonetny Lane, 29, 119017 Moscow, Russia
Ksenia Borodina: Faculty of Geography, Lomonosov Moscow State University, Leniskie Gory 1, 119991 Moscow, Russia
Mikhail Korets: V.N. Sukachev Institute of Forest SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademogorodok 50/28, 660036 Krasnoyarsk, Russia
Anatoly Prokushkin: Institute of Geography Russian Academy of Science, Staromonetny Lane, 29, 119017 Moscow, Russia
Alexander V. Kirdyanov: V.N. Sukachev Institute of Forest SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademogorodok 50/28, 660036 Krasnoyarsk, Russia

Land, 2024, vol. 13, issue 11, 1-19

Abstract: Understanding how pollen assemblages represent the local and regional vegetation composition is crucial for palaeoecological research. Here, we analyze 102 surface moss/soil pollen samples collected from four study regions located in various boreal forest vegetation types in Central Siberia. Despite Larix being the most prevalent tree generus in the study area, the proportion of Larix pollen can be as low as 0.6–1.5% (0.4–4.7% on average) even in localities with a high canopy density of the species. No relationship between the quantity of Larix pollen in the spectra and the abundance of Larix in the local vegetation was found. The dominant components of the pollen assemblages are Betula and Alnus fruticosa . The pollen value of Picea is low (2.6–8.2% on average), with higher proportions at sample plots where spruce is abundant in forests. Pinus is a highly prevalent pollen species within its geographical range, comprising up to 40% of pollen assemblages. Outside of the range, the ratio of Pinus pollen was higher in habitats with low canopy density and in treeless ecosystems. The composition of herbaceous pollen and spores is significantly affected by the local plant community, offering more comprehensive insights into past vegetation patterns.

Keywords: modern pollen assemblages; surface pollen sample; taiga; Pinus pollen; Picea pollen; Larix pollen; Yenisei Siberia; Central Siberian Plateau (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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